A kind of shell-and-tube heat exchanger
Technical field
The utility model belongs to technical field of chemical, is specifically related to heat exchanger, particularly a kind of shell-and-tube heat exchanger.
Background technology
Shell-and-tube heat exchanger is widely used in the industrial circles such as petrochemical industry, electric power, environmental protection, and shell-and-tube heat exchanger generally includes bobbin carriage, tube sheet, housing, multiple deflection plate, multiple heat exchanger tube, pull bar and distance sink tube etc.Wherein deflection plate is except except the housing inner support heat exchanger tube of shell-and-tube heat exchanger, mainly plays and fluid is flowed by specific path, the flow velocity improving shell-side fluid, the effect increasing turbulent extent, improve heat-transfer character.The deflection plate of existing shell-and-tube heat exchanger comprises segmental baffle and helical baffles two kinds, common segmental baffle is flat, namely being generally circular flat board, to be cut into breach arc, axis direction interval along heat exchanger shell and heat exchanger tube is arranged, and the breach of adjacent two deflection plates staggers mutually, shell-side fluid is made to form circuitous flow along axis in housing, but simple being lowered the temperature by deflection plate, and cooling-down effect is not so good.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provides that a kind of simplicity of design, cost are low, the heat exchanger of good cooling effect.
The purpose of this utility model is achieved in that a kind of shell-and-tube heat exchanger, it comprises heat exchanger body, the two ends of described heat exchanger body are separately installed with left ellipsoidal head and right ellipsoidal head, the middle part of described left ellipsoidal head is provided with cold fluid outlet, the middle part of described right ellipsoidal head is provided with cold fluid import, the left end of described heat exchanger body upper side is provided with hot fluid outlet ports, right-hand member is provided with hot fluid import, the left end of described heat exchanger body downside is provided with sewage draining exit, heat exchanger body is provided with support in the middle part of downside, the two ends of the inside of described heat exchanger body are separately installed with horizontal circular flow distribution plate, described circular flow distribution plate offers circular hole A, described circular hole A is in a row evenly distributed on circular flow distribution plate, cold fluid tube bank is all interspersed with in described circular hole A, described cold fluid tube bank is all connected with scale between vertical, the middle part of heat exchanger body inside is provided with horizontal deflection plate, described deflection plate is semi-disc structure, deflection plate offers circular hole B, described circular hole B is in a row evenly distributed on deflection plate, described cold fluid tube bank is interspersed in deflection plate by circular flow distribution plate, described deflection plate at least comprises three, respectively be from right to left: first deflection plate, second deflection plate and the 3rd deflection plate, the top of first described deflection plate is connected with the upper side of heat exchanger body inside, the top of second described deflection plate is connected with the downside of heat exchanger body inside, the top of the 3rd described deflection plate is connected with the upper side of heat exchanger body inside.
Described cold fluid tube bank is consistent with the quantity of circular hole A.
Described circular hole B is identical with the size of circular hole A and become structure one to one.
First described deflection plate, second deflection plate are identical with the 3rd baffle arrangement and be evenly distributed on the inside of heat exchanger body.
Described number of holders is at least one.
Described left ellipsoidal head is identical with right ellipsoidal head structure.
Described cold fluid outlet is identical with the cold fluid makeup of the imports.
Described hot fluid outlet ports is identical with the hot fluid makeup of the imports.
Described scale at least arranges place's scale every 5cm between cold fluid tube bank is vertical.
The beneficial effects of the utility model: the utility model simplicity of design, cold fluid enters from cold fluid import, by circular flow distribution plate, cold fluid is divided into the tube bank of some cold fluids, cold fluid tube bank enters through deflection plate by circular hole A and goes out from cold fluid outlet, hot fluid enters through deflection plate from hot fluid import, deflection plate not only prevents hot fluid short circuit, increase the flowing velocity of hot fluid, also force hot fluid according to regulation path repeatedly cross-flow restrained by cold fluid, transfer path is increased greatly, the utility model is provided with scale between cold fluid tube bank is vertical in addition, considerably increase the contact area of hot fluid and cold fluid, cooling-down effect is better, hot fluid after cooling is flowed out by hot fluid outlet ports, support installing is in the bottom of heat exchanger, ensure the stability of whole heat exchanger, the dirt of heat exchanger inside can be discharged by sewage draining exit, the utility model has simplicity of design in a word, cost is low, the advantage of complete function and good cooling effect.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of shell-and-tube heat exchanger of the utility model.
Fig. 2 is the transverse sectional view of a kind of shell-and-tube heat exchanger of the utility model.
Fig. 3 is the longitudinal sectional view of a kind of shell-and-tube heat exchanger of the utility model.
Fig. 4 is the baffle arrangement schematic diagram of a kind of shell-and-tube heat exchanger of the utility model.
Fig. 5 is the circular manifold structure schematic diagram of a kind of shell-and-tube heat exchanger of the utility model.
In figure: 1, heat exchanger body 2, left ellipsoidal head 3, right ellipsoidal head 4, cold fluid outlet 5, cold fluid import 6, hot fluid outlet ports 7, hot fluid import 8, sewage draining exit 9, support 10, circular flow distribution plate 11, circular hole A 12, cold fluid tube bank 13, scale 14, deflection plate 14-1, first deflection plate 14-2, second deflection plate 14-3 the 3rd deflection plate 15, circular hole B.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
Embodiment 1
As Figure 1-5, a kind of shell-and-tube heat exchanger, it comprises heat exchanger body 1, the two ends of described heat exchanger body 1 are separately installed with left ellipsoidal head 2 and right ellipsoidal head 3, the middle part of described left ellipsoidal head 2 is provided with cold fluid outlet 4, the middle part of described right ellipsoidal head 3 is provided with cold fluid import 5, the left end of described heat exchanger body 1 upper side is provided with hot fluid outlet ports 6, right-hand member is provided with hot fluid import 7, the left end of described heat exchanger body 1 downside is provided with sewage draining exit 8, heat exchanger body 1 is provided with support 9 in the middle part of downside, the two ends of the inside of described heat exchanger body 1 are separately installed with horizontal circular flow distribution plate 10, described circular flow distribution plate 10 offers circular hole A11, described circular hole A11 is in a row evenly distributed on circular flow distribution plate 10, cold fluid tube bank 12 is all interspersed with in described circular hole A11, described cold fluid tube bank 12 is all connected with scale 13 between vertical, the middle part of heat exchanger body 1 inside is provided with horizontal deflection plate 14, described deflection plate is semi-disc structure, deflection plate 14 offers circular hole B15, described circular hole B15 is in a row evenly distributed on deflection plate 14, described cold fluid tube bank 12 is interspersed in deflection plate 14 by circular flow distribution plate, described deflection plate 14 at least comprises three, respectively be from right to left: first deflection plate 14-1, second deflection plate 14-2 and the 3rd deflection plate 14-3, the top of first described deflection plate 14-1 is connected with the upper side of heat exchanger body 1 inside, the top of second described deflection plate 14-2 is connected with the downside of heat exchanger body 1 inside, the top of the 3rd described deflection plate 14-3 is connected with the upper side of heat exchanger body 1 inside.
The utility model simplicity of design, cold fluid enters from cold fluid import, by circular flow distribution plate, cold fluid is divided into the tube bank of some cold fluids, cold fluid tube bank enters through deflection plate by circular hole A and goes out from cold fluid outlet, hot fluid enters through deflection plate from hot fluid import, deflection plate not only prevents hot fluid short circuit, increase the flowing velocity of hot fluid, also force hot fluid according to regulation path repeatedly cross-flow restrained by cold fluid, transfer path is increased greatly, the utility model is provided with scale between cold fluid tube bank is vertical in addition, considerably increase the contact area of hot fluid and cold fluid, cooling-down effect is better, hot fluid after cooling is flowed out by hot fluid outlet ports, support installing is in the bottom of heat exchanger, ensure the stability of whole heat exchanger, the dirt of heat exchanger inside can be discharged by sewage draining exit, the utility model has simplicity of design in a word, cost is low, the advantage of complete function and good cooling effect.
Embodiment 2
As Figure 1-5, a kind of shell-and-tube heat exchanger, it comprises heat exchanger body 1, the two ends of described heat exchanger body 1 are separately installed with left ellipsoidal head 2 and right ellipsoidal head 3, the middle part of described left ellipsoidal head 2 is provided with cold fluid outlet 4, the middle part of described right ellipsoidal head 3 is provided with cold fluid import 5, the left end of described heat exchanger body 1 upper side is provided with hot fluid outlet ports 6, right-hand member is provided with hot fluid import 7, the left end of described heat exchanger body 1 downside is provided with sewage draining exit 8, heat exchanger body 1 is provided with support 9 in the middle part of downside, the two ends of the inside of described heat exchanger body 1 are separately installed with horizontal circular flow distribution plate 10, described circular flow distribution plate 10 offers circular hole A11, described circular hole A11 is in a row evenly distributed on circular flow distribution plate 10, cold fluid tube bank 12 is all interspersed with in described circular hole A11, described cold fluid tube bank 12 is all connected with scale 13 between vertical, the middle part of heat exchanger body 1 inside is provided with horizontal deflection plate 14, described deflection plate is semi-disc structure, deflection plate 14 offers circular hole B15, described circular hole B15 is in a row evenly distributed on deflection plate 14, described cold fluid tube bank 12 is interspersed in deflection plate 14 by circular flow distribution plate, described deflection plate 14 at least comprises three, respectively be from right to left: first deflection plate 14-1, second deflection plate 14-2 and the 3rd deflection plate 14-3, the top of first described deflection plate 14-1 is connected with the upper side of heat exchanger body 1 inside, the top of second described deflection plate 14-2 is connected with the downside of heat exchanger body 1 inside, the top of the 3rd described deflection plate 14-3 is connected with the upper side of heat exchanger body 1 inside.
Described cold fluid tube bank 12 is consistent with the quantity of circular hole A11.
Described circular hole B15 is identical with the size of circular hole A11 and become structure one to one.
First described deflection plate 14-1, second deflection plate 14-2 are identical with the 3rd deflection plate 14-3 structure and be evenly distributed on the inside of heat exchanger body 1.
Described support 9 quantity is at least one.
Described left ellipsoidal head 2 is identical with right ellipsoidal head 3 structure.
Described cold fluid outlet 4 is identical with cold fluid import 5 structure.
Described hot fluid outlet ports 6 is identical with hot fluid import 7 structure.
Described scale 13 at least arranges place's scale every 5cm between cold fluid tube bank 12 is vertical.
The utility model simplicity of design, cold fluid enters from cold fluid import, by circular flow distribution plate, cold fluid is divided into cold fluid tube bank, the quantity of cold fluid tube bank and circular hole A is consistent, space can be made full use of like this, cold fluid tube bank enters through deflection plate by circular hole A and goes out from cold fluid outlet, hot fluid enters through deflection plate from hot fluid import, multiple deflection plate is staggered, not only prevent hot fluid short circuit, increase the flowing velocity of hot fluid, also force hot fluid according to regulation path repeatedly cross-flow restrained by cold fluid, transfer path is increased greatly, the utility model is provided with scale between cold fluid tube bank is vertical in addition, many places scale is set, considerably increase the contact area of hot fluid and cold fluid, cooling-down effect is better, hot fluid after cooling is flowed out by hot fluid outlet ports, support installing is in the bottom of heat exchanger, multiple support is set, ensure the stability of whole heat exchanger, the dirt of heat exchanger inside can be discharged by sewage draining exit, left ellipsoidal head and right ellipsoidal head, cold fluid outlet and cold fluid import, hot fluid outlet ports is all identical with the hot fluid makeup of the imports, make whole heat exchanger elegant in appearance, the utility model has simplicity of design in a word, cost is low, the advantage of complete function and good cooling effect.